基于单片机的数字温度计(论文8000字)
摘要：本文介绍一种基于AT89C2051单片机的一种温度测量及报警电路,该电路采用DS18B20作为温度监测元件。该电路设计新颖、功能强大、结构简单。数据采集、处理模块主要由AT89C2051单片机构成,使用4位LED模块显示,介绍了集成温度传感器DS18B20的原理,不能满足数字化时代的需求,DS18B20
Abstract : The introduction of a cost-based AT89C2051 MCU a temperatur measurement circuits, the circuits used DS18B20 high-precision temperatur sensor , measuring scope -55℃-～+125℃,can use the keybord set the warning limitation, the use of four bits seven segments LED that can be display the current temperature. The paper focuses on providing a software and hardware system components circuit, introduced the theory of DS18B20, the founctions and applications of AT89C2051 .This circuit design innovative, powerful, can be expansionary strong.
Key Words : Temperatur measurement, DS18B20
数字温度计（Digital Thermometer）简称DTM,AT89C2051单片机功能和应用。DS18B20直接把温度信息转换成相应的数字信号。温度是许多监控系统中的一个重要参数。